Physics, 27.10.2019 10:43 mcalepcrager
Amicrowave is rated at 750 watts. how long will it take the microwave to do 5700 j of work on a cup of water? assume 100% efficiency.
a)
0.13s
b)
2s
c)
7.6s
d)
4,275,000 s
Answers: 2
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Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?
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An object has a weight of 500 on earth what is the mass of this object
Answers: 1
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A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
Answers: 1
Amicrowave is rated at 750 watts. how long will it take the microwave to do 5700 j of work on a cup...
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